Find an equation for the plane that is tangent to the given surface at the given point. z = y-x (2,6,2) Find the equation for the tangent plane to the surface z = y-x at the point (2,6,2). Use a coefficient of 1 for x. = 0 Find the linearization L(x,y) of the function f(x,y) at Po. Then find an upper bound for the magnitude |E| of the error in the approximation f(x,y) L(x,y) over the rectangle R. f(x,y)=5 Inx+4 Iny at Po(1,1) R: |x-1| 0.1, ly-1| 0.1 The linearization L(x,y) of the function f(x,y) at Po is L(1,1)=